What is the difference between the alleles of a gene?
a. their position on the chromosome
b. their amino acid sequence
c. their pentose sugars
d. their base sequence

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

The combining form leuk/o means red true or false

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic